Remove bottom bar from Physical Web Activity

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/ListUrlsActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/ListUrlsActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/ListUrlsActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/ListUrlsActivity.java
index 8c9f8d41d6da638334e528a443526d58c05082f9..90a7626d255b614dee51b041bf402b54a7d5d7bd 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/ListUrlsActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/ListUrlsActivity.java
@@ -4,9 +4,6 @@
 
 package org.chromium.chrome.browser.physicalweb;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.ObjectAnimator;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
@@ -28,13 +25,9 @@ import android.widget.ImageView;
 import android.widget.ListView;
 import android.widget.TextView;
 
-import org.chromium.base.ApiCompatibilityUtils;
-import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.widget.FadingShadow;
-import org.chromium.chrome.browser.widget.FadingShadowView;
 import org.chromium.components.location.LocationUtils;
 
 import java.util.ArrayList;
@@ -54,14 +47,6 @@ public class ListUrlsActivity extends AppCompatActivity implements AdapterView.O
     public static final int DIAGNOSTICS_REFERER = 4;
     public static final int REFERER_BOUNDARY = 5;
     private static final String TAG = "PhysicalWeb";
-    private static final String PREFS_VERSION_KEY =
-            "org.chromium.chrome.browser.physicalweb.VERSION";
-    private static final String PREFS_BOTTOM_BAR_KEY =
-            "org.chromium.chrome.browser.physicalweb.BOTTOM_BAR_DISPLAY_COUNT";
-    private static final int PREFS_VERSION = 1;
-    private static final int BOTTOM_BAR_DISPLAY_LIMIT = 1;
-    private static final int DURATION_SLIDE_UP_MS = 250;
-    private static final int DURATION_SLIDE_DOWN_MS = 250;
 
     private final List<PwsResult> mPwsResults = new ArrayList<>();
 
@@ -72,7 +57,6 @@ public class ListUrlsActivity extends AppCompatActivity implements AdapterView.O
     private TextView mEmptyListText;
     private ImageView mScanningImageView;
     private SwipeRefreshWidget mSwipeRefreshWidget;
-    private View mBottomBar;
     private boolean mIsInitialDisplayRecorded;
     private boolean mIsRefreshing;
     private boolean mIsRefreshUserInitiated;
@@ -84,8 +68,6 @@ public class ListUrlsActivity extends AppCompatActivity implements AdapterView.O
         mContext = this;
         setContentView(R.layout.physical_web_list_urls_activity);
 
-        initSharedPreferences();
-
         mAdapter = new NearbyUrlsAdapter(this);
 
         View emptyView = findViewById(R.id.physical_web_empty);
@@ -102,22 +84,6 @@ public class ListUrlsActivity extends AppCompatActivity implements AdapterView.O
                 (SwipeRefreshWidget) findViewById(R.id.physical_web_swipe_refresh_widget);
         mSwipeRefreshWidget.setOnRefreshListener(this);
 
-        mBottomBar = findViewById(R.id.physical_web_bottom_bar);
-
-        int shadowColor = ApiCompatibilityUtils.getColor(getResources(),
-                R.color.bottom_bar_shadow_color);
-        FadingShadowView shadow =
-                (FadingShadowView) findViewById(R.id.physical_web_bottom_bar_shadow);
-        shadow.init(shadowColor, FadingShadow.POSITION_BOTTOM);
-
-        View bottomBarClose = (View) findViewById(R.id.physical_web_bottom_bar_close);
-        bottomBarClose.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                hideBottomBar();
-            }
-        });
-
         mPwsClient = new PwsClientImpl(this);
         int referer = getIntent().getIntExtra(REFERER_KEY, 0);
         if (savedInstanceState == null) {  // Ensure this is a newly-created activity.
@@ -178,12 +144,6 @@ public class ListUrlsActivity extends AppCompatActivity implements AdapterView.O
         super.onResume();
         mNearbyForegroundSubscription.subscribe();
         startRefresh(false, false);
-
-        int bottomBarDisplayCount = getBottomBarDisplayCount();
-        if (bottomBarDisplayCount < BOTTOM_BAR_DISPLAY_LIMIT) {
-            showBottomBar();
-            setBottomBarDisplayCount(bottomBarDisplayCount + 1);
-        }
     }
 
     @Override
@@ -343,52 +303,6 @@ public class ListUrlsActivity extends AppCompatActivity implements AdapterView.O
         });
     }
 
-    private void showBottomBar() {
-        mBottomBar.setTranslationY(mBottomBar.getHeight());
-        mBottomBar.setVisibility(View.VISIBLE);
-        Animator animator = createTranslationYAnimator(mBottomBar, 0f, DURATION_SLIDE_UP_MS);
-        animator.start();
-    }
-
-    private void hideBottomBar() {
-        Animator animator = createTranslationYAnimator(mBottomBar, mBottomBar.getHeight(),
-                DURATION_SLIDE_DOWN_MS);
-        animator.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mBottomBar.setVisibility(View.GONE);
-            }
-        });
-        animator.start();
-    }
-
-    private static Animator createTranslationYAnimator(View view, float endValue,
-                long durationMillis) {
-        return ObjectAnimator.ofFloat(view, "translationY", view.getTranslationY(), endValue)
-                .setDuration(durationMillis);
-    }
-
-    private void initSharedPreferences() {
-        if (ContextUtils.getAppSharedPreferences().getInt(PREFS_VERSION_KEY, 0) == PREFS_VERSION) {
-            return;
-        }
-
-        // Stored preferences are old, upgrade to the current version.
-        ContextUtils.getAppSharedPreferences().edit()
-                .putInt(PREFS_VERSION_KEY, PREFS_VERSION)
-                .apply();
-    }
-
-    private int getBottomBarDisplayCount() {
-        return ContextUtils.getAppSharedPreferences().getInt(PREFS_BOTTOM_BAR_KEY, 0);
-    }
-
-    private void setBottomBarDisplayCount(int count) {
-        ContextUtils.getAppSharedPreferences().edit()
-                .putInt(PREFS_BOTTOM_BAR_KEY, count)
-                .apply();
-    }
-
     private static Intent createNavigateToUrlIntent(PwsResult pwsResult, UrlInfo urlInfo) {
         String url = pwsResult.siteUrl;
         if (url == null) {